ClickHouse/docs/changelogs/v24.7.3.42-stable.md

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1	2024

2024 Changelog

ClickHouse release v24.7.3.42-stable (63730bc429) FIXME as compared to v24.7.2.13-stable (6e41f601b2)

Bug Fix (user-visible misbehavior in an official stable release)

• Backported in #67969: Fixed reading of subcolumns after ALTER ADD COLUMN query. #66243 (Anton Popov).
• Backported in #67637: Fix for occasional deadlock in Context::getDDLWorker. #66843 (Alexander Gololobov).
• Backported in #67820: Fix possible deadlock on query cancel with parallel replicas. #66905 (Nikita Taranov).
• Backported in #67881: Correctly parse file name/URI containing :: if it's not an archive. #67433 (Antonio Andelic).
• Backported in #67713: Fix reloading SQL UDFs with UNION. Previously, restarting the server could make UDF invalid. #67665 (Antonio Andelic).
• Backported in #67995: Validate experimental/suspicious data types in ALTER ADD/MODIFY COLUMN. #67911 (Kruglov Pavel).

Critical Bug Fix (crash, LOGICAL_ERROR, data loss, RBAC)

• Backported in #67818: Only relevant to the experimental Variant data type. Fix crash with Variant + AggregateFunction type. #67122 (Kruglov Pavel).
• Backported in #67766: Fix crash of uniq and uniqTheta with tuple() argument. Closes #67303. #67306 (flynn).
• Backported in #67854: Fixes #66026. Avoid unresolved table function arguments traversal in ReplaceTableNodeToDummyVisitor. #67522 (Dmitry Novik).
• Backported in #67840: Fix potential stack overflow in JSONMergePatch function. Renamed this function from jsonMergePatch to JSONMergePatch because the previous name was wrong. The previous name is still kept for compatibility. Improved diagnostic of errors in the function. This closes #67304. #67756 (Alexey Milovidov).

NOT FOR CHANGELOG / INSIGNIFICANT

• Backported in #67518: Split slow test 03036_dynamic_read_subcolumns. #66954 (Nikita Taranov).
• Backported in #67516: Split 01508_partition_pruning_long. #66983 (Nikita Taranov).
• Backported in #67529: Reduce max time of 00763_long_lock_buffer_alter_destination_table. #67185 (Raúl Marín).
• Backported in #67643: [Green CI] Fix potentially flaky test_mask_sensitive_info integration test. #67506 (Alexey Katsman).
• Backported in #67609: Fix test_zookeeper_config_load_balancing after adding the xdist worker name to the instance. #67590 (Pablo Marcos).
• Backported in #67871: Fix 02434_cancel_insert_when_client_dies. #67600 (vdimir).
• Backported in #67704: Fix 02910_bad_logs_level_in_local in fast tests. #67603 (Raúl Marín).
• Backported in #67689: Fix 01605_adaptive_granularity_block_borders. #67605 (Nikita Taranov).
• Backported in #67827: Try fix 03143_asof_join_ddb_long. #67620 (Nikita Taranov).
• Backported in #67892: Revert "Merge pull request #66510 from canhld94/fix_trivial_count_non_deterministic_func". #67800 (János Benjamin Antal).